ExpressiveInstallerTest\AddPackageTest::testAddPackage PHP Метод

    public function testAddPackage($packageName, $packageVersion, $expectedStability)
    {
        // Prepare the installer
        OptionalPackages::removeDevDependencies();
        $io = $this->prophesize('Composer\\IO\\IOInterface');
        $io->write(Argument::containingString('Adding package'))->shouldBeCalled();
        OptionalPackages::addPackage($io->reveal(), $packageName, $packageVersion);
        $this->assertComposerHasPackages(['zendframework/zend-stdlib']);
        $stabilityFlags = $this->getStabilityFlags();
        // Stability flags are only set for non-stable packages
        if ($expectedStability) {
            $this->assertArrayHasKey($packageName, $stabilityFlags);
            $this->assertEquals($expectedStability, $stabilityFlags[$packageName]);
        }
    }